Home / 2,542.61-3,507.99-1,547.66

Finding the Fourth Proportional to 2,542.61, 3,507.99 and 1,547.66

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Solution

The fourth proportional to 2,542.61, 3,507.99 and 1,547.66 is: 2,135.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,542.61 : 3,507.99 = 1,547.66 : x
  2. Step 2: Convert to fraction form
    2,542.61/3,507.99 = 1,547.66/x
  3. Step 3: Cross multiply
    2,542.61x = 3,507.99 × 1,547.66
  4. Step 4: Simplify right side
    2,542.61x = 5,429,175.80
  5. Step 5: Solve for x
    x = 5,429,175.80/2,542.61
  6. Step 6: Final answer
    x = 2,135.28

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.